What is the best way to ensure the freshness of tea?

There are many ways to store them, such as drying ovens, refrigerators, thermoses, and jars.

It is the freshest when it is picked back, and it is best to buy fresh tea from acquaintances and store it in various ways upstairs to ensure freshness!

Tighten the mouth of the bag and tie a rubber band.

Just put the air conditioner on the unopened one.

1. General storage method.

Families use tea in small quantities, and are generally accustomed to iron colored tea cans, tin bottles, colored glass bottles and ceramics for storage. Among them, it is better to choose iron colored tea cans with double-layer lids and long-necked tin bottles, and to store tea leaves with ceramics, it is advisable to have a small mouth and a large belly. When using these containers to fill tea leaves, check that the containers are airtight, and that the tea leaves should be filled to the fullest, so as to minimize the air inside the containers.

Although this storage method is simple and easy to use, it is only suitable for short-term storage.

2. Use quicklime storage method.

The use of desiccant can delay the preservation time of tea leaves to about one year. Lime is a kind of desiccant, when preserving tea with quicklime, the tea can be wrapped in thin kraft paper, bundled firmly, stacked in layers around the dry and odorless intact jar or rust-free, tasteless small iron barrel, put a bag or several bags of semi-weathered quicklime in the middle of the altar and the barrel, put several bags of tea leaves on it, and then plug the mouth of the altar with kraft paper, cover it above, put it in a dry place, generally change the lime once in 1 February, this method is not easy to be damp because the tea is not easy to be wet, so the preservation time is longer, as long as the lime is changed on time, The quality of tea is also not easy to change.

3. Use food bag storage method.

Use two new tasteless, non-porous plastic food bags, wrap the dried tea leaves with moisture-proof paper, put them into one of the bags, squeeze them gently, squeeze out the air in the bags, and then tie the bag mouth tightly with a rope, and then put the other bag in reverse on the outside of the first bag, after the air in the bag is squeezed out, then tie the bag mouth tightly with a rope, and finally put it into a dry, tasteless, closed iron drum for storage.

The easiest way to preserve tea leaves in the summer is to put them in an airtight container and put them in the refrigerator. You can also put the tea leaves into a composite bag, squeeze out the air, and tie the bag tightly. Or put the tea leaves in tin cans.

Tea leaves that should not be stored in the refrigerator.

1. Black tea: Because black tea is fermented tea, the content of tea polyphenols in tea is low and easy to preserve.

2. Flower tea: It has a strong floral fragrance, and its aroma will be inhibited when stored at low temperatures, reducing the freshness and concentration of the aroma.

3. Pu'er tea: It is a post-fermented tea that contains beneficial bacteria, and enzymes need a ventilated, cool and dry environment to play a role. Pu-erh tea is best stored at room temperature, in a ventilated and dry place, if it is placed in the refrigerator, it is more likely to mildew.

4. Strong fragrance Tieguanyin: Do not store it in the refrigerator, because of its high degree of fermentation, the content of tea polyphenols in tea is low, and the aging rate is relatively slow. If you can drink it within three months, you only need to put Tieguanyin in a cool, dry place, if you want to store it for a longer time, you need to use canned seals to preserve.

These tea leaves can be stored in the refrigerator at low temperatures.

Green tea, Longjing tea, and fragrant Tieguanyin are the most suitable for storage in the refrigerator. If the storage time is short and you need to drink it at any time, you can put it in the refrigerator and adjust the temperature of the refrigerator to about 5; However, if you want to keep unopened tea leaves for more than a year, you should put them in the freezer.

Precautions for storing tea leaves in the refrigerator:

1. Pay attention to the tightness of the tea and the smell in the refrigerator. Tea has strong moisture absorption and flavor absorption, and the tea stored in the refrigerator must be sealed.

2. When storing tea leaves in the refrigerator, do not put them together with other odorous items to prevent odor channeling.

Tea leaves are more likely to spoil in the summer, and today teach several ways to preserve tea leaves in the summer.

1. Avoid high temperatures. The high temperature in summer will accelerate the decline and decomposition of chlorophyll in green tea, and the chlorophyll will continue to convert to demagnesium chlorophyll, and the bright green will turn dark brown. In addition, the automatic oxidation of tea polyphenols and other substances will also be exacerbated at high temperatures; According to research, for every 10 times higher temperature, the rate of browning of green tea is accelerated by 3 5 times, thereby accelerating the aging and deterioration of tea.

2. Avoid light. The light in summer is much stronger than in any other season, which will promote the photochemical reaction of plant pigments and lipids in green tea, resulting in a lot of odor substances, resulting in green tea has sun-dried odor, stale taste and other odors. In addition, high-grade green tea is particularly sensitive to light, and will change color after 10 days of exposure; Ordinary green tea will also lose its bright green color after 20 days of irradiation; Therefore, green tea needs to be properly preserved in colorless and transparent glass bottles and plastic bags.

3. Avoid peculiar smells. Any item can easily emit its own smell in the high temperature of summer, which makes green tea more likely to develop qualitative changes due to absorption of odors. This is due to the fact that tea is a porous and loose body, which is very easy to absorb odors, such as in daily life, dry tea leaves are chewed in the mouth, which can eliminate the odor in the mouth; Therefore, green tea should not be put together with other odorous things, such as camphor, soap, soap and other objects.

4. Avoid oxygen. The tea polyphenols in green tea are strong antioxidants, so they are very easy to oxidize, and the tea soup brewed after oxidation will turn dark yellow, and there is no fragrance of green tea.

5. Avoid moisture. Summer is the rainy season, rain will bring a lot of moisture, and because green tea is a porous loose body, many substances are hydrophilic compounds, therefore, it is easy to absorb moisture and damp; When the water content exceeds 8%, the green tea will accelerate the deterioration of the tea leaves, and mildew will occur after the growth of microorganisms.

(1) Use drying oven storage: Because the temperature of the drying oven is stable and the air is also isolated, the tea leaves will not be damp or oxidized when stored in the drying oven.

2) Use refrigerator storage: To maintain the freshness and fragrance of tea, it is best to store at low temperature, especially the more delicate tea leaves such as Longjing, Biluochun, and Huangshan Maofeng should be refrigerated. It must be noted that the refrigerator that preserves tea must be hygienic, clean, and odorless, and cannot store anything other than tea.

There are two kinds of tea preservation in summer, one is green tea, yellow tea, fragrant oolong tea, etc., which need to be sealed in an aluminum foil bag, put into an iron can, and put it in the refrigerator. Second, white tea, Pu'er tea, black tea, and oolong tea with a high degree of charcoal roasting are suitable for storage at room temperature, and should be stored in a cool place such as a bookshelf or tea room.

Tea leaves stored at room temperature.

Black tea. The water content of black tea dry tea is not high, it is easy to get damp or exude fragrance, try to avoid the mixed storage of different kinds of tea, and generally can be placed in a closed drying container, away from light and high temperature.

Oolong. Oolong tea is a semi-fermented tea, which is between black tea and green tea, and it is relatively easy to store.

According to the degree of drying and roasting, rock tea, strong aroma type Tieguanyin, some Dancong tea and other heavily roasted teas can be stored in a cool place at room temperature, without placing them at low temperature.

White tea. White tea is the most primitive process and the simplest process of tea, the picked fresh leaves are dried and withered to ninety percent dry, and then dried at low temperature until the feet are dry.

White tea is shelf-stable, and it can be stored in a three-layer packaging method (aluminum foil bag, plastic bag, carton) at a temperature of about 25; And there is a certain space for transformation and improvement in the storage process, the longer the storage time, the darker the color of the dry tea and tea soup, and the softer and mellower the taste.

Pu-erh tea. As long as Pu'er tea is stored without direct sunlight and rain, the environment is clean and hygienic, and there is no other miscellaneous smell and peculiar smell in ventilation.

If the storage quantity is large, a special warehouse can be set up for storage; If the quantity is small, individuals can store it at home, they can use ceramics and kraft paper bags to store it, and the same is true for black tea.

Tea leaves that need to be stored refrigerated.

Unopened green tea, yellow tea, and fragrant Tieguanyin should be put in the refrigerator and refrigerated in time, and it should be noted that the same bag of tea should not be refrigerated and taken out repeatedly.

Otherwise, the taste is very likely to change.

Tea leaves can be refrigerated in small packets. When drinking refrigerated tea, you need to wait until the tea leaves in the packaging bag return to room temperature before opening and drinking, otherwise, the tea will lose its freshness due to the large temperature difference, causing qualitative changes.

1. Iron can storage method:

Fill the dried tea leaves into a tin can with a double lid and fill it as much as possible to reduce the air. After installation, close the lid and seal the gap with tape paper. Two layers of plastic bags can be put on the outside, and the bag mouth can be tightened to avoid contact with odors.

2. Container storage method:

Put the tea leaves in a plastic bag, squeeze out the air from the bag, and then place it in a dry, odorless container (such as a biscuit box, a small jar) with quicklime or silicone, and then seal.

3. Refrigerator refrigeration method:

Put the above containers in the refrigerator, and use the low temperature to further ensure the stability of the tea quality. In the summer heat, the advantages of this method are even more obvious.

4. Hot water bottle storage method:

The hot water bottle has a good heat insulation, moisture-proof effect, after putting the tea into the hot water bottle (try to fill it as much as possible), plug the cork, seal it with white wax, and wrap it with adhesive tape, so as to ensure that the container is sealed.

5. Oxygen pumping method:

Vacuum-packed, or the tea leaves are packed into composite bags, the air is extracted, and the tea is filled with nitrogen. This method is preferred, but it requires specialized equipment, so it is more demanding.

There are a variety of ways to keep your tea leaves fresh. Here are some common methods:

1. Use the drying oven for storage: Put the tea leaves in the drying oven, the temperature is stable and the air is isolated, which can effectively prevent the tea from being damp or oxidized.

2. Use refrigerator storage: Put the tea in the refrigerator to maintain the freshness and fragrance of the tea, especially the delicate tea, such as Longjing, Biluochun, Huangshan Maofeng, etc., need to be refrigerated. Note that the refrigerator must be hygienic, clean, odor-free, and that no other food or items can be kept.

3. Use a hot water bottle for storage: clean the hot water bottle, then pour the tea into the bottle and stuff the stopper tightly for storage.

4. Use jars for storage: first use small jars to pack a small amount of tea leaves so that they can be used at any time, and the rest of the tea leaves are sealed and stored in large jars. Be careful not to use glass jars, porcelain jars, wooden boxes, or jars, as these utensils have the disadvantages of being light-transmitting, moisture-proof, and fragile.

The materials suitable for storage are: tin cans or iron cans, which are opaque and can isolate the air, and at the same time, the inside of the can is lined with a layer of tissue paper or kraft paper to keep it clean and dry, and the gaps in the lid can be sealed with adhesive tape. Tin cans are also a good choice, it can be double-lid, a layer of cotton paper or kraft paper should be padded in the can before packaging, and the gap between the lid can be sealed with adhesive tape.

5. What should I do if the tea leaves are soft when wet? An oven, microwave, or wok can be used to remove moisture from the tea leaves. However, it must be noted that the oven, microwave oven and wok must not have peculiar smells and debris, and the baking time also needs to be experienced.

In addition, it is necessary to wait until the tea leaves are completely dissipated and cooled before packaging them to avoid spoilage.

In addition, the storage method of Pu'er tea is different from other teas, because Pu'er tea needs moisture in the air to help continuous fermentation, so it cannot be placed in a closed container, it is best to store it in a clay pot or purple sand jar, and place it in a ventilated place indoors. Pressed tea bricks or Tuo tea, it is best to set aside in storage.

Tea leaves can be placed directly in tin cans.

The most important thing to preserve tea leaves is the choice of tea canisters. For the newly bought tea leaves, it is necessary to put them into the tea cans in time, but before loading, it is best to put in a little Lao Nian tea leaves, then bake them with a tuanyuan fire to remove the peculiar smell, and finally put the tea leaves into the cans together with the packaging bag.

In terms of material selection, both iron cans and ceramic cans are OK. It is best not to use the container for other purposes before putting the tea leaves, especially the containers that have stored food are not suitable for the tea leaves. In addition, the container is required to be airtight or sleepy, opaque and breathable.

It should be noted that when taking tea in tea cans, you should not grab the tea directly with your hands, it is best to use a teaspoon to take the tea, and do not put the tea cans in the kitchen or in a humid place.

1. Refrigerator storage method: Studies have shown that at a temperature of 5, the quality of tea preservation is the best, and it can be stored for more than a year. However, it should be noted that it is necessary to wrap the shed in a plastic bag to avoid cross-smelling, and if possible, you can use a refrigerator to store tea.

This preserves the freshness of the tea leaves and allows us to drink fresh, delicious tea.

2. Tea canister storage method: At home, the most commonly used is to use tea cans to store tea, which is very convenient and trouble-free. You can use tin cans, iron cans, glass bottles or ceramic tea cans to store tea, but pay attention to put the tea cans in a cool dry chain ruler dry place, not direct sunlight, and at the same time, pay attention not to put it in a humid place, so as not to accelerate the oxidation of tea or the deterioration of the tea.

Although this method is simple, it is only suitable for storing tea leaves for a short period of time.

3. Thermos storage method: Put the tea leaves into a clean and dry thermos, the effect is good, and you can keep the color and fragrance of the tea for more than one year. But be careful to keep the bottle tightly corked and try not to let air in.